Chemical fertilizers can pollute the water supply. Their use helps to produce more crops but their quantities have to be carefully controlled.
fertilizers
phosphorus
They breathe in the chemical water to get oxygen.
Fertilizers and pesticides are chemical products.
Organic fertilizer is only a source of nitrogen; chemical manmade fertilizers can offer nitrogen, potassium, phosphorous and other microelements. These fertilizers are stable and can be easily transported at long distances. Natural fertilizers are insufficient for all the world.
A. R. Halvorson has written: 'Soil acidity in central Washington orchards' -- subject(s): Soil acidity, Orchards, Testing, Soils 'Estimates of salinity level produced by broadcast incorporated and band-applied fertilizer' -- subject(s): Application, Effect of salts on, Environmental aspects, Environmental aspects of Nitrogen fertilizers, Environmental aspects of Potassium fertilizers, Fertilizers, Field crops, Nitrogen fertilizers, Plants, Potassium fertilizers, Salinity, Seeds 'Interpretation of chemical analysis of irrigation water'
examples of fertilizers
Strategic Environmental Assessment (SEA) is a system of incorporating environmental considerations into policies, plans and programmes.
Attention to environmental and weather conditions, environmental and personal well-being and proper procedures describes the precautions that gardeners must take concerning chemical fertilizers. It is important to read, understand and follow the product's instructions and to wear proper protective equipment, such as gloves and goggles. Chemical fertilizers must be applied at the frequency, rates and volumes listed on the label, and supplemented by water at the listed amounts and times, around and for the intended edibles and ornamentals only.
chemical
The organization offering environmental assessment is called the Environmental Assessment Practitioners Association of South Africa (EAPASA), and was founded on April 7th 2011.
Wen-Yuan Huang has written: 'The economic and environmental consequences of nutrient management in agriculture' -- subject(s): Environmental aspects, Environmental aspects of Nitrogen fertilizers, Nitrogen fertilizers
Chemical fertilizers stimulate plant growth; but if the concentration is too high, they may damage roots. What precautions concerning chemical fertilizers must a gardener take?
The budget of California Office of Environmental Health Hazard Assessment is 17.5 dollars.
Nitrogen :)
fertilizers
phosphorus